This resource comes packed with FIVE activities where students are required to investigate the rate of heat loss from an object. They investigate surface area, volume, starting temp, type of material and the surface the object is in contact with. Watching water cool has never been such fun and students have to act fast in order to get each activity complete. This practical investigation comes complete with a presentation to lead students, activity task cards and complete technicians notes. Requiring simple equipment available in every lab it is appropriate for secondary students of all ages. Aside from heat transfer, it also helps students get to grips with the pesky concept of independent, dependent and control variables.